Eat more whole , real foods with less preservatives and chemicals .
多进食全麦以及含防腐剂和化学特制少的食品。
Of the 160 breast cancer tissue samples the doctors analyzed , 158 of them showed traces of at least one parabens , and 96 showed traces of at least five of these preservatives .
Consequently , there are substances in our food that function efficiently as preservatives or manufacturing aids , but that have questionable effects on our health .